Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6145538 | Flow control valve employing a step motor | — | 2000-11-14 |
| 6111721 | Tray loading type magnetic recording and reproducing apparatus for different size tape cassettes | Woon-bae Kim, Min-pyo Hong | 2000-08-29 |